Preheat oven to 325.
Grease a muffin tin with some cooking spray. Take your slices of ham and press into the muffin tin, folding the sides as needed, to form cups of ham. Use foil, or a combination of foil with pie weights (or dried beans) to hold the ham in place. Put into the oven and bake for about 4 minutes, checking occasionally, until browned and hardened into ham cups.
While these are baking, bring a small pot of water to a boil. Drop in the eggs and cook exactly 9 minutes. Transfer to an ice bath to cool. peel
Chop the pound of ham into very small pieces. Add to a large bowl
Add the chopped pickle and the peeled eggs to the ham. Add in the mayo, mustard, chili flakes, hot sauce, Worcestershire, and vinegar.
Mash this mixture for a few minutes to break the eggs, then stir it until fully combined. Store in the fridge until ready to use
Line a platter with the ham cups and add a little scoop of the ham salad to each cup. Top with the scallions, chili flakes, and crispy onions and serve